<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容"
                    clearable
                    @clear="getGoodsList" 
                    v-model="queryInfo.query">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- table表格区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name">
                </el-table-column>
                <el-table-column label="商品价格" prop="goods_price" width="90px">
                </el-table-column>
                <el-table-column label="商品数量" prop="goods_number" width="90px">
                </el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="90px">
                </el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="175px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="230px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="editGoods(scope.row.goods_id)">编辑</el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteGoods(scope.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="10"
            layout="total, sizes, prev, pager, next, jumper"
            background
            :total="total">
            </el-pagination>
        </el-card>
    </div>    
</template>

<script>
export default {
    data() {
        return {
            // 获取商品列表参数
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品数据
            goodslist: [],
            // 总页数
            total: 0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        // 获取商品列表
        async getGoodsList() {
            const {data: res} = await this.$http.get('goods',{
                params: this.queryInfo
            })
            if(res.meta.status !== 200){
                return this.$message.error("获取商品列表失败")
            }
            // console.log(res);
            this.goodslist = res.data.goods
            console.log(this.goodslist);
            this.total = res.data.total
        },
        // 每页的总条数
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        // 当前页
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        // 删除商品
        async deleteGoods(goods_id) {
            const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err => err)
            if(confirmResult !== 'confirm'){
                this.$message.info("已取消删除")
            }
            const {data: res} = await this.$http.delete(`goods/${goods_id}`)
            if(res.meta.status !== 200){
                this.$$message.error("删除失败")
            }
            this.$message.success("删除成功")
            this.getGoodsList()
        },
        // 添加商品
        goAddpage() {
            this.$router.push('/goods/add')
        },
        // 编辑商品
        editGoods(id) {
            this.$router.push(`/goods/edit/${id}`)
        }
    },
}
</script>

<style lang="less" scoped>

</style>